Pagini recente » Cod sursa (job #1446018) | Cod sursa (job #1179367) | Cod sursa (job #2803728) | Cod sursa (job #1410620) | Cod sursa (job #1565570)
#include <cassert>
#include <cstdio>
using namespace std;
typedef long long i64;
const int nmax= 250000;
i64 a[nmax+1], b[nmax+1], c[nmax+1];
int main( ) {
assert( freopen( "cuburi2.in", "r", stdin ) );
assert( freopen( "cuburi2.out", "w", stdout ) );
int n, m;
assert( scanf( "%d%d", &n, &m ) );
for ( int i= 1, x; i<=n; ++i ) {
assert( scanf( "%d", &x ) );
a[i]= a[i-1]+x;
b[i]= b[i-1]+a[i-1];
}
for ( int i= n-1; i>=1; --i ) {
c[i]= c[i+1]+a[n]-a[i];
}
for ( int cnt= 1; cnt<=m; ++cnt ) {
int x, y;
assert( scanf( "%d%d", &x, &y ) );
int sol= x, step;
for ( step= 1; step<=y-x; step*= 2 ) ;
for ( ; step>0; step/= 2 ) {
if ( sol+step<=y && a[sol+step-1]-a[x-1]<a[y]-a[sol+step-1] ) {
sol+= step;
}
}
i64 a1= (i64)b[sol]-b[x]-a[x-1]*(sol-x), a2= (i64)c[sol]-c[y]-(a[n]-a[y])*(y-sol);
a1+= a2;
printf( "%d %lld\n", sol, a1 );
}
return 0;
}